David Geffen episode of 'American Masters' tonight

PBS follows two nights of Ken Burns on the Dust Bowl with an American Masters show devoted to the career of David Geffen. It's an LA-centric career that began in the mailroom at William Morris and took off via the music business and collaborations with Joni Mitchell, Crosby, Stills and Nash, Jackson Browne, the Eagles, Laura Nyro and others. In 1994 Geffen co-founded DreamWorks SKG with Steven Spielberg and Jeffrey Katzenberg. "Notoriously press and camera-shy, Geffen reveals himself for the first time in the new two-hour documentary," the producers say. They call it an "unflinching portrait." I haven't seen it, but I suspect there's some flinching.